Stocks closed up for the week, as optimism over trade deals overshadowed plummeting consumer sentiment data released on Friday. The S&P 500 (^GSPC) extended gains for a fifth straight session, up more than 5% for the week. The tech-heavy Nasdaq Composite (IXIC) also rose more than 7% over the past five days. The Dow Jones Industrial Average (DJI) also rose on Friday, gaining more than 3% for the week. Investors expect more negotiations to come after the US announced a trade pact with China on Monday. Meanwhile, consumer sentiment tumbled...